An attempt at the assessment of myocardial contractility from phonocardiographically measured time components of ventricular contraction in patients with prosthetic aortic valves. Asynchronous activation as a cause of diminished velocity of contraction.
D001794:Blood Pressure; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006339:Heart Rate; D006350:Heart Valve Prosthesis; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D009119:Muscle Contraction; D010701:Phonocardiography